Mercedes-Benz C-Class Operator's Manual page 303

batteries. Wash battery acid immediately with
water and seek medical attention.
G WARNING
A discharged battery can freeze at
temperatures below freezing point. When
jump-starting the vehicle or charging the
battery, gases can escape from the battery.
There is a risk of an explosion.
Allow the frozen battery to thaw out before
charging it or jump-starting.
! Only charge the installed battery with a
battery charger which has been tested and
approved by Mercedes-Benz. These battery
chargers allow the battery to be charged
while still installed in the vehicle.
! Only use battery chargers with a
maximum charging voltage of 14.8 V.
! Only charge the battery using the jump-
starting connection point.
The jump-starting connection point is in the
engine compartment ( page 302).
Y
Open the hood ( page 284).
X
Y
Connect the battery charger to the positive
X
terminal and ground point in the same
order as when connecting the donor
battery in the jump-starting procedure
( page 302).
Y
Read the battery charger's operating
X
instructions before charging the battery.
Battery (vehicle)
Z
301